Though mainly used in the Gay community to signify the Bear in the relationship. With the advent of Social Media (ie. FaceBook, Twitter, MySpace etc) Guys use it as a secret way of communicating their pack matesWhen he posts woof on a certain womans posts or timeline, wall etc. He is informing his friends that this is a Bitch he wants to rape doggie style. Most women think they are being complimented when actually they are being Dissed
On FACEBOOK:
Tina: Just got home from Pilates and I'm stoked, my butts getting tight
Randal: 'Woof'
(then in private to his friends "I wanna break her over like a double barrels shotgun and jack my round in her chamber
RapeSexual Conquest